Explain how to know when to use mean, median, or made as a measure of central tendency. For each measure, give an example of a situation where the center should be used

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota